99706670513 has 16 divisors (see below), whose sum is σ = 105746052096. Its totient is φ = 93815401680.

The previous prime is 99706670461. The next prime is 99706670543. The reversal of 99706670513 is 31507660799.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 99706670513 - 2⁸ = 99706670257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99706670543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 654506 + ... + 792332.

It is an arithmetic number, because the mean of its divisors is an integer number (6609128256).

Almost surely, 2^99706670513 is an apocalyptic number.

It is an amenable number.

99706670513 is a deficient number, since it is larger than the sum of its proper divisors (6039381583).

99706670513 is a wasteful number, since it uses less digits than its factorization.

99706670513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138364.

The product of its (nonzero) digits is 2143260, while the sum is 53.

The spelling of 99706670513 in words is "ninety-nine billion, seven hundred six million, six hundred seventy thousand, five hundred thirteen".